AADB

## 
##   (0,0.2] (0.2,0.4] (0.4,0.6] (0.6,0.8]   (0.8,1] 
##       422      2164      3457      1992       339
## Classes 'tbl_df', 'tbl' and 'data.frame':    8458 obs. of  3 variables:
##  $ image.id    : chr  "farm1_333_19438364933_087c8abc60_b.jpg" "farm1_452_19898743300_201156d984_b.jpg" "farm1_281_20247100976_c8141d3653_b.jpg" "farm1_448_19709457333_be4c6bb5eb_b.jpg" ...
##  $ rating      : num  0.3 0.7 0.4 0.6 0.45 0.775 0.5 0.2 0.2 0.65 ...
##  $ rating.level: Factor w/ 5 levels "(0,0.2]","(0.2,0.4]",..: 2 4 2 3 3 4 3 1 1 4 ...